you see why
[19:20:01] [Server thread/WARN]: [io.papermc.paper.util.PaperJvmChecker] ************************************************************
[19:20:01] [Server thread/WARN]: [io.papermc.paper.util.PaperJvmChecker] * WARNING - YOU ARE RUNNING AN OUTDATED VERSION OF JAVA.
[19:20:01] [Server thread/WARN]: [io.papermc.paper.util.PaperJvmChecker] * PAPER WILL STOP BEING COMPATIBLE WITH THIS VERSION OF
[19:20:01] [Server thread/WARN]: [io.papermc.paper.util.PaperJvmChecker] * JAVA WHEN MINECRAFT 1.17 IS RELEASED.
[19:20:01] [Server thread/WARN]: [io.papermc.paper.util.PaperJvmChecker] *
[19:20:01] [Server thread/WARN]: [io.papermc.paper.util.PaperJvmChecker] * Please update the version of Java you use to run Paper
[19:20:01] [Server thread/WARN]: [io.papermc.paper.util.PaperJvmChecker] * to at least Java 11. When Paper for Minecraft 1.17 is
[19:20:01] [Server thread/WARN]: [io.papermc.paper.util.PaperJvmChecker] * released support for versions of Java before 11 will
[19:20:01] [Server thread/WARN]: [io.papermc.paper.util.PaperJvmChecker] * be dropped.
[19:20:01] [Server thread/WARN]: [io.papermc.paper.util.PaperJvmChecker] *
[19:20:01] [Server thread/WARN]: [io.papermc.paper.util.PaperJvmChecker] * Current Java version: 1.8.0_212
[19:20:01] [Server thread/WARN]: [io.papermc.paper.util.PaperJvmChecker] *
[19:20:01] [Server thread/WARN]: [io.papermc.paper.util.PaperJvmChecker] * Check this forum post for more information:
[19:20:01] [Server thread/WARN]: [io.papermc.paper.util.PaperJvmChecker] * https://papermc.io/java11
[19:20:01] [Server thread/WARN]: [io.papermc.paper.util.PaperJvmChecker] ************************************************************